Cleanup GpuMemoryBuffer

content/common/gpu/client/gpu_memory_buffer_impl_surface_texture.cc

Index: content/common/gpu/client/gpu_memory_buffer_impl_surface_texture.cc
diff --git a/content/common/gpu/client/gpu_memory_buffer_impl_surface_texture.cc b/content/common/gpu/client/gpu_memory_buffer_impl_surface_texture.cc
index 20f77a1681c90335777f8c44824c78a26f09534c..25c5b2d3517dc699a9994901dc678aad6f29c78c 100644
--- a/content/common/gpu/client/gpu_memory_buffer_impl_surface_texture.cc
+++ b/content/common/gpu/client/gpu_memory_buffer_impl_surface_texture.cc
@@ -17,7 +17,10 @@ namespace {
 
 base::StaticAtomicSequenceNumber g_next_buffer_id;
 
-void Noop() {
+void GpuMemoryBufferDeleted(const gfx::GpuMemoryBufferHandle& handle,
+                            uint32 sync_point) {
+  GpuMemoryBufferFactoryHost::GetInstance()->DestroyGpuMemoryBuffer(handle,
+                                                                    sync_point);
 }
 
 void GpuMemoryBufferCreated(
@@ -28,7 +31,7 @@ void GpuMemoryBufferCreated(
   DCHECK_EQ(gfx::SURFACE_TEXTURE_BUFFER, handle.type);
 
   callback.Run(GpuMemoryBufferImplSurfaceTexture::CreateFromHandle(
-      handle, size, format, base::Bind(&Noop)));
+      handle, size, format, base::Bind(&GpuMemoryBufferDeleted, handle)));
 }
 
 void GpuMemoryBufferCreatedForChildProcess(
@@ -117,6 +120,17 @@ GpuMemoryBufferImplSurfaceTexture::CreateFromHandle(
 }
 
 // static
+void GpuMemoryBufferImplSurfaceTexture::DeletedByChildProcess(
+    const gfx::GpuMemoryBufferId& id,
+    uint32_t sync_point) {
+  gfx::GpuMemoryBufferHandle handle;
+  handle.type = gfx::SURFACE_TEXTURE_BUFFER;
+  handle.global_id = id;
+  GpuMemoryBufferFactoryHost::GetInstance()->DestroyGpuMemoryBuffer(handle,
+                                                                    sync_point);
+}
+
+// static
 bool GpuMemoryBufferImplSurfaceTexture::IsFormatSupported(Format format) {
   switch (format) {
     case RGBA_8888: